Properties

Label 2-3920-1.1-c1-0-28
Degree $2$
Conductor $3920$
Sign $1$
Analytic cond. $31.3013$
Root an. cond. $5.59476$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·3-s + 5-s + 9-s + 4·11-s + 2·13-s − 2·15-s + 8·17-s + 6·19-s + 4·23-s + 25-s + 4·27-s − 6·29-s − 4·31-s − 8·33-s − 10·37-s − 4·39-s + 4·41-s − 4·43-s + 45-s − 4·47-s − 16·51-s + 10·53-s + 4·55-s − 12·57-s + 14·59-s − 10·61-s + 2·65-s + ⋯
L(s)  = 1  − 1.15·3-s + 0.447·5-s + 1/3·9-s + 1.20·11-s + 0.554·13-s − 0.516·15-s + 1.94·17-s + 1.37·19-s + 0.834·23-s + 1/5·25-s + 0.769·27-s − 1.11·29-s − 0.718·31-s − 1.39·33-s − 1.64·37-s − 0.640·39-s + 0.624·41-s − 0.609·43-s + 0.149·45-s − 0.583·47-s − 2.24·51-s + 1.37·53-s + 0.539·55-s − 1.58·57-s + 1.82·59-s − 1.28·61-s + 0.248·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3920 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3920 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3920\)    =    \(2^{4} \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(31.3013\)
Root analytic conductor: \(5.59476\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 3920,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.673890164\)
\(L(\frac12)\) \(\approx\) \(1.673890164\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T \)
7 \( 1 \)
good3 \( 1 + 2 T + p T^{2} \)
11 \( 1 - 4 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 - 8 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 - 4 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 - 14 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 + 12 T + p T^{2} \)
73 \( 1 - 4 T + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 - 2 T + p T^{2} \)
89 \( 1 - 8 T + p T^{2} \)
97 \( 1 + p T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−8.602031191839048380886195330946, −7.47270176659216248816098497100, −6.95017797960969096171808043064, −6.06604622552007386615815319253, −5.50790923575605419739443027322, −5.08426665165117516975651321883, −3.77543296523729191688509348141, −3.18677532884258387920404839261, −1.58042090677333034067654990593, −0.877337396151041099326255800001, 0.877337396151041099326255800001, 1.58042090677333034067654990593, 3.18677532884258387920404839261, 3.77543296523729191688509348141, 5.08426665165117516975651321883, 5.50790923575605419739443027322, 6.06604622552007386615815319253, 6.95017797960969096171808043064, 7.47270176659216248816098497100, 8.602031191839048380886195330946

Graph of the $Z$-function along the critical line